Home / 208,720.76-288,035.20-113,227.46

Finding the Fourth Proportional to 208,720.76, 288,035.20 and 113,227.46

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Solution

The fourth proportional to 208,720.76, 288,035.20 and 113,227.46 is: 156,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,720.76 : 288,035.20 = 113,227.46 : x
  2. Step 2: Convert to fraction form
    208,720.76/288,035.20 = 113,227.46/x
  3. Step 3: Cross multiply
    208,720.76x = 288,035.20 × 113,227.46
  4. Step 4: Simplify right side
    208,720.76x = 32,613,494,086.59
  5. Step 5: Solve for x
    x = 32,613,494,086.59/208,720.76
  6. Step 6: Final answer
    x = 156,254.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.